modify the package manifest to remove arfoundation / xr management during packaging

Author: davidkline-ms

scripts/packaging/unitypackage.ps1

@@ -105,6 +105,24 @@ function GetPackageVersion() {
         Select-Object -First 1
 }
 
+function CleanPackageManifest() {
+    <#
+    .SYNOPSIS
+        Ensures that the package manifest does not contain packages that trigger adding dependencies on
+        optional features by default.
+    #>
+
+    $fileName = $RepoDirectory + "\Packages\manifest.json"
+    (Get-Content $fileName) | ForEach-Object {
+        if ($_ -notmatch ("arfoundation|arsubsystems|xr.management|legacyinputhelpers")) {
+            $line = $_
+        }
+        else {
+            $line = ""
+        }
+    $line } | Set-Content $fileName  
+}
+
 # Beginning of the .unitypackage script main section
 # The overall structure of this script looks like:
 #